Hi @promano!
Interesting project! Three important points I want to mention and you should consider changing in your mesh:
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The bounding box is too small. Make sure you increase its size which will have a huge impact on the results!
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Make sure you use inflate boundary layers (is explained in the workshop session given below)
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Using the parametric mesh option enables you to vary more parameters
A good tutorial on airfoils can be found her: Session 1 - CFD Master Class
Let me know if my tips helped you. Cheers and happy SimScaling!
Jousef